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Test your basic knowledge |
Biomedical Engineering Heart
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 43 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Prevents backflow of blood from the left ventricle to the left atrium
SA node
diastole
bicuspid valve
arrhythmias
2. Sequence of events in one heartbeat
bradycardia
bicuspid valve
superior and inferior caval veins
cardiac cycle
3. Contraction of chambers of the heart
systole
vagus nerves
fibrullation
tricuspid valve
4. Very rapid and uncoordinated ventricular beat
cardiac cycle
bundle of His...
arrhythmias
fibrullation
5. First part of the cardia conduction pathway in teh ventircles
bundle of His...
right and left atria
epicardium
medulla
6. Veins that return blood to the right atrium
aortic and pulmonary semilunar valves
superior and inferior caval veins
closure of the valves
tricuspid valve
7. Heart chambers are lined with this
fibrous epicardium
aorta
endocardium
superior and inferior caval veins
8. Coronary sinus receives blood directly from this
coronary veins
right and left atria
medulla
cardiac output
9. Amount of blood pumped by a ventricle in 1 minute
is smooth to prevent abnormal clotting within the heart
cardiac output
superior and inferior caval veins
diastole
10. Cardiac muscle tissue
diastole
myocardium
endocardium
bradycardia
11. Normal range of heart rate for a healthy adult is _____ bpm
mediastinum
systole
60-80
systole
12. Nerves that transmit impulses to decrease the heart rate are the ____
endocardium
prevent friction as the heart beats
vagus nerves
tricuspid valve
13. Each normal heartbeat is initiated by this
mediastinum
medulla
superior and inferior caval veins
SA node
14. The centers that regulate heart rate located in the___
medulla
arrhythmias
bradycardia
aortic and pulmonary semilunar valves
15. Relaxation of chambers of the heart
diastole
systole
stenosis...
cardiac cycle
16. Vessel into which the left ventricle pumps blood
aorta
is smooth to prevent abnormal clotting within the heart
sodium ions and water
atrium
17. Upper chamber of the heart
atrium
is smooth to prevent abnormal clotting within the heart
aorta
bundle of His...
18. Part of the myocardium is deprived of its blood supply and becomes ______
myocardium
pressoreceptors in teh carotid and aortic sinuses
venous return
ischemia
19. Heart rate below 60 bpm
fibrous epicardium
bradycardia
cardiac cycle
prevent friction as the heart beats
20. Area in the thoracic cavity between the lungs
prevent friction as the heart beats
sodium ions and water
mediastinum
superior and inferior caval veins
21. The chambers of teh heart that receive blood from the veins
mediastinum
bicuspid valve
aortic and pulmonary semilunar valves
right and left atria
22. Largest artery of the body
diastole
vagus nerves
60-80
aorta
23. Electical activity of the heart may be depicted in an
ECG
coronary veins
stenosis...
cardiac output
24. Purpose of teh coronary vessels
supply the heart with oxygenated blood
stenosis...
ECG
myocardium
25. Relaxation
diastole
atrium
systole
mediastinum
26. Changes in blood pressure are detected by
pressoreceptors in teh carotid and aortic sinuses
bradycardia
myocardium
fibrullation
27. Narrowing of a valve
atrium
is smooth to prevent abnormal clotting within the heart
stenosis...
cardiac output
28. Endocardium lines the chambers of the heart
myocardium
stroke volume
medial to the lungs and superior to the diaphragm
is smooth to prevent abnormal clotting within the heart
29. Visceral pericardium
cardiac reserve
epicardium
right and left atria
60-80
30. Amount of blood pumped by a ventricle per beat
medulla
stroke volume
fibrous epicardium
supply the heart with oxygenated blood
31. 1st branches of teh ascending aorta
superior and inferior caval veins
coronary arteries
venous return
ECG
32. Backflow o fblood from the arteries to the ventricles is prevented by these
aortic and pulmonary semilunar valves
endocardium
superior and inferior caval veins
epicardium
33. Normal heart sounds are caused by
closure of the valves
supply the heart with oxygenated blood
cardiac output
aortic and pulmonary semilunar valves
34. Contraction
medulla
aortic and pulmonary semilunar valves
systole
tricuspid valve
35. Heart is located here
epicardium
systole
coronary arteries
medial to the lungs and superior to the diaphragm
36. Hormone ANP increases loss of ____in urine to decrease blood volume and blood pressure
closure of the valves
sodium ions and water
is smooth to prevent abnormal clotting within the heart
right and left atria
37. Funciton of the serous fluid of teh pericardial membranes
venous return
60-80
prevent friction as the heart beats
medial to the lungs and superior to the diaphragm
38. Outermost of the pericardial membranes
pressoreceptors in teh carotid and aortic sinuses
ischemia
myocardium
fibrous epicardium
39. Natural pacemaker of the heart
cardiac reserve
stenosis...
closure of the valves
SA node
40. The amount of blood that returns to teh heart
supply the heart with oxygenated blood
venous return
prevent friction as the heart beats
is smooth to prevent abnormal clotting within the heart
41. Difference between resting cardiac output adn maximum exercise cardiac output
pressoreceptors in teh carotid and aortic sinuses
cardiac cycle
cardiac reserve
sodium ions and water
42. Irregular heartbeats
arrhythmias
bradycardia
medial to the lungs and superior to the diaphragm
SA node
43. Prevents backflow of blood from teh right ventricle to the right atrium
coronary arteries
myocardium
mediastinum
tricuspid valve